1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Indonesia, Iran, Russia, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Turkmenistan, Vietnam
China, India
1.1.2 Afrika
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa
Morocco, Namibia
1.1.3 Eropah
Andorra, Finland, France, Germany, Great Britain, Italy, Norway, Portugal, Spain, Sweden
Austria, Italy, Romania, Spain, Switzerland
1.1.4 lain
tanah penggembalaan
belum menemukan
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
Brazil, Chili, Kolumbia, uruguay, venezuela
Brazil, Kolumbia
1.3 deposito di oceania benua
1.3.1 Australia
New Zealand, Queensland, South Australia, Tasmania, Western Australia
New South Wales, Queensland, Yorke Peninsula